Throughout, we assume that \(\theta \)  forms a minimal statistical manifold [1]}, so that whenever \({\rm q}(\mathbf {x};\theta _i) = {\rm q}(\mathbf {x};\theta _j)\)  for all \(\mathbf {x}\) , it must be that \(\theta _i = \theta _j\) . Additional assumptions are introduced as-needed.
